To use the extra features that come with Redis Stack, you need a client that supports those features. According to the site posted, the Ruby client doesn't support these features.
So it appears that you are the one that is missing something.
> So it appears that you are the one that is missing something.
They were asking what library support was missing for that person's use case (which your question answers, but I think the snark is based on a misunderstanding).
